#ifndef TOOLS_H_
#define TOOLS_H_

#ifndef SAFE_DELETE
#define SAFE_DELETE(p) do { delete p; p=NULL; } while(false)
#endif

#ifndef SAFE_FREE
#define SAFE_FREE(p) do { free(p); p = NULL; } while (false)
#endif

class Tools
	{
	
	};

#endif 
